FRANK P AMMESMAKI MD
NPI 1710978176
Emergency Medicine in Fort Defiance, AZ
About Frank P Ammesmaki Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FRANK P AMMESMAKI MD (NPI 1710978176) is an individual emergency medicine provider in Fort Defiance, Arizona, licensed in Arizona (42378) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Frank P Ammesmaki Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Frank Ammesmaki reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Defiance, AZ 86504
- Reassigned Medicare billing, Texas enrollment
- 518 clinicians in this Medicare group
Camp Verde, AZ 86322
- Reassigned Medicare billing, Texas enrollment
- 599 clinicians in this Medicare group
Bullhead, SD 57621
- Reassigned Medicare billing, North Dakota and Texas enrollments
- Also billed through NPI 1609851039 (Texas)
- 11 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 86504 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FORT DEFIANCE, AZ 86504
FORT DEFIANCE, AZ 86504
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Frank Ammesmaki's NPI number?
The NPI number for Frank Ammesmaki is 1710978176. It was assigned to this individual provider in the NPPES registry on November 3, 2005.
Where is Frank Ammesmaki located?
Frank Ammesmaki practices at Corner Of Route N12 And N7, Fort Defiance, AZ 86504. The listed phone number is (928) 729-8600.
What is Frank Ammesmaki's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Frank Ammesmaki enrolled in Medicare?
Yes. Frank Ammesmaki is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Frank Ammesmaki's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frank Ammesmaki reassigns Medicare benefits to 3 organizations: The Fort Defiance Indian Hospital Board, Incorporation (Fort Defiance, AZ), Dhew Ind Hlth Sv Hlth Svs & Mntl Hlth Adm (Camp Verde, AZ) and Fort Yates Indian Health Service Hospital (Bullhead, SD). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Frank Ammesmaki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Frank Ammesmaki accept?
Health plans from Blue Cross Blue Shield of North Dakota list Frank Ammesmaki as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Frank Ammesmaki was last updated on November 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.